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  <title>Invokes function args</title>
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  <div id="layout-content"><div id="reflectionfunction.invokeargs" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionFunction::invokeArgs</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.1.2, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ReflectionFunction::invokeArgs</span> &mdash; <span class="dc-title">Invokes function args</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionfunction.invokeargs-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionFunction::invokeArgs</strong></span>(<span class="methodparam"><span class="type">array</span> <code class="parameter">$args</code></span>): <span class="type"><a href="language.types.declarations.html#language.types.declarations.mixed" class="type mixed">mixed</a></span></div>

  <p class="para rdfs-comment">
   Invokes the function and pass its arguments as array.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionfunction.invokeargs-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">args</code></dt>

     <dd>

      <p class="para">
       The passed arguments to the function as an array, much like 
       <span class="function"><a href="function.call-user-func-array.html" class="function">call_user_func_array()</a></span> works.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionfunction.invokeargs-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the result of the invoked function
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-reflectionfunction.invokeargs-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5208">
    <p><strong>示例 #1 <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">title</span><span style="color: #007700">(</span><span style="color: #0000BB">$title</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$name</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">sprintf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s.&nbsp;%s\r\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$title</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$name</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$function&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'title'</span><span style="color: #007700">);<br /><br />echo&nbsp;</span><span style="color: #0000BB">$function</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'Dr'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'Phil'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Dr. Phil
</pre></div>
    </div>
   </div>
  </p>
  <p class="para">
   <div class="example" id="example-5209">
    <p><strong>示例 #2 <span class="methodname"><strong>ReflectionFunction::invokeArgs()</strong></span> with references example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">get_false_conditions</span><span style="color: #007700">(array&nbsp;</span><span style="color: #0000BB">$conditions</span><span style="color: #007700">,&nbsp;array&nbsp;&amp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;foreach&nbsp;(</span><span style="color: #0000BB">$conditions&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$condition</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(!</span><span style="color: #0000BB">$condition</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">[]&nbsp;=&nbsp;</span><span style="color: #0000BB">$condition</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">$function_ref&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionFunction</span><span style="color: #007700">(</span><span style="color: #DD0000">'get_false_conditions'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$conditions&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #0000BB">true</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">false</span><span style="color: #007700">,&nbsp;-</span><span style="color: #0000BB">1</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$false_conditions&nbsp;</span><span style="color: #007700">=&nbsp;array();<br /><br /></span><span style="color: #0000BB">$function_ref</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">invokeArgs</span><span style="color: #007700">(array(</span><span style="color: #0000BB">$conditions</span><span style="color: #007700">,&nbsp;&amp;</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">));<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$false_conditions</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
array(2) {
  [0]=&gt;
  bool(false)
  [1]=&gt;
  int(0)
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-reflectionfunction.invokeargs-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    如果函数有参数需为引用，那么它们必须以引用方式传入。
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionfunction.invokeargs-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="reflectionfunction.invoke.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunction::invoke()</a> - Invokes function</span></li>
    <li class="member"><span class="methodname"><a href="reflectionfunctionabstract.getnumberofparameters.html" class="methodname" rel="rdfs-seeAlso">ReflectionFunctionAbstract::getNumberOfParameters()</a> - 获取参数数目</span></li>
    <li class="member"><a href="language.oop5.magic.html#object.invoke" class="link">__invoke()</a></li>
    <li class="member"><span class="function"><a href="function.call-user-func-array.html" class="function" rel="rdfs-seeAlso">call_user_func_array()</a> - 调用回调函数，并把一个数组参数作为回调函数的参数</span></li>
   </ul>
  </p>
 </div>


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